Drag this Button "Netvibes Refresh bookmarklet" to your browser's bookmarks toolbar, and when you're on your Netvibes page, click it to refresh the modules.

Andrew says: "It's not rocket science, but it's handy and it saves reloading the entire Netvibes session, which can be a bummer if you're like me and you use Meebo in a Netvibes tab as it kills your IM session."